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​If you want to look attractive and healthy, the best thing you can do is get a good night's sleep, finds researchers at Karolinska Institutet in a novel study published in BMJ online. For the first time, say the authors, there is scientific backing for the concept of beauty sleep.

New research shows a possible explanation for the link between mental health and creativity. By studying receptors in the brain, researchers at Karolinska Institutet have managed to show that the dopamine system in healthy, highly creative people is similar in some respects to that seen in people with schizophrenia. [PRESS RELEASE, 18 May 2010]

A new study from the Swedish medical university Karolinska Institutet provides evidence that basic human learning systems use areas of the brain that also exist in the most primitive vertebrates, such as certain fish, reptiles and amphibians. The study involved an investigation into the limbic striatum, one of the evolutionarily oldest parts of the brain, and the ability to learn movements, consciously and unconsciously, through repetition.